2021775275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{8849}}^1$

素因数の和:8928

約数の個数: 48

約数和(自身を含む): 2919084000

約数和(自身を除く): 897308725

約数列:

[1, 5, 13, 19, 25, 37, 65, 95, 185, 247, 325, 475, 481, 703, 925, 1235, 2405, 3515, 6175, 8849, 9139, 12025, 17575, 44245, 45695, 115037, 168131, 221225, 228475, 327413, 575185, 840655, 1637065, 2185703, 2875925, 4203275, 4256369, 6220847, 8185325, 10928515, 21281845, 31104235, 54642575, 80871011, 106409225, 155521175, 404355055, 2021775275]

約数ペア:

[(1, 2021775275), (5, 404355055), (13, 155521175), (19, 106409225), (25, 80871011), (37, 54642575), (65, 31104235), (95, 21281845), (185, 10928515), (247, 8185325), (325, 6220847), (475, 4256369), (481, 4203275), (703, 2875925), (925, 2185703), (1235, 1637065), (2405, 840655), (3515, 575185), (6175, 327413), (8849, 228475), (9139, 221225), (12025, 168131), (17575, 115037), (44245, 45695)]